LTC3129-1-8.2 Buck-Boost Converter Overview

Description

Manufacturer
 
Category
Sub-Category

LTC3129-1-8.2 is a 15.00 V, 0.20 A output current sync Buck-Boost Converter from . The 2.42 V to 15.00 V input range can be converted into a 8.20 V to 8.20 V output voltage.

The Buck-Boost Converter features fixed 1200 kHz switching frequency, requires a typical inductor size of 10.0 µH and provides a peak efficiency of 95 %. LTC3129-1-8.2 circuitry consists typically of 6 external components and is available in 2 package option(s): MSOP-16 QFN-16 .

For LTC3129-1-8.2 replacement search, select a main parameter tolerance value and adjust the checkboxes for feature match. The product counter within the button shows the number of available equivalents and a click on the replacement button shows all possible replacements within a parametric overview.

ParameterValueReplacement
Search Filter
V-IN min. 2.42 V
V-IN max. 15.00 V
I-OUT? 0.20 A
V-OUT min. 8.20 V
V-OUT max. 8.20 V
V-OUT fixed 8.20
V-OUT programmable yes
sync/non-sync sync
Frequency typ. 1200 kHz
Frequency adjustable fixed
Frequency adjustable min.
Frequency adjustable max.
ext.clock sync no
Frequency sync. min.
Frequency sync. max.
Softstart yes
Softstart adjustable no
Tracking no
PG/Power OK yes
Quiescent current max. 3 µA
Operating min.
Operating max.
Junction min. -40 °C
Junction max. 125 °C
thermal shutdown typ.
Inductor size typ. 10.0 µH
Automotive AEC-Q100 no
Light-Load Mode yes
Topology Buck-Boost
Peak Efficiency 95 %
Component count min. 6
current limit adjustable no
LBI/LBO no
Nr. of package options 2
CSP
SOT
MSOP MSOP-16
QFN QFN-16
SO/SOIC
SOP

Charts and pictures

LTC3129-1-8.2 Datasheet

Link to the most up-to-date LTC3129-1-8.2 datasheet and the product page for EVM, tools and support information.

LTC3129-1-8.2

LTC3129-1-8.2 Distributor price breaks and sample stock

LTC3129-1-8.2 prices and available buy online distributors. Optional, check regional sources for price and inventory: for Russia via efind, for South Korea via ICPart, for Japan via ICBAIBAI, for China via IC5858 or International via IC2IC.

OEMSecrets.com
findchips.com

Available Distributors with stock: 0

no online Distributor with LTC3129 stock available

Available Distributors with stock: 7

Arrow Electronics

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LTC3129EUD#TRPBF 2500
1003.64 $
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LTC3129IUD-1#PBF 1147
1003.95 $
17.49 $
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LTC3129EUD-1#PBF 190
1003.72 $
16.77 $
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LTC3129EUD#PBF 56
1003.58 $
16.77 $
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LTC3129EMSE-1#PBF 10
1003.72 $
16.77 $
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LTC3129IUD-1#PBF 0
1003.95 $
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LTC3129EMSE-1#PBF 0
1003.58 $
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LTC3129IUD-1#TRPBF 0
1004.05 $
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LTC3129EUD-1#PBF 0
1003.58 $
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LTC3129EUD-1#TRPBF 0
1003.68 $
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LTC3129EMSE#TRPBF 0
1003.68 $
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LTC3129EMSE#PBF 0
1003.58 $
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LTC3129EMSE#PBF 0
1003.58 $
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LTC3129EUD#PBF 0
1003.58 $
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LTC3129IMSE#TRPBF 0
1004.05 $
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show stock=0hide stock=0

Digi-Key

ProductStockPriceBuy
LTC3129EUD#PBF 8228
5003.19 €
2503.26 €
1003.43 €
254.15 €
16.25 €
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LTC3129EUD#TRPBF 3442
5003.35 €
2503.43 €
1003.61 €
254.36 €
16.57 €
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LTC3129EUD#TRPBF 3442
5003.35 €
2503.43 €
1003.61 €
254.36 €
16.57 €
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LTC3129EUD-1#TRPBF 3375
5003.35 €
2503.43 €
1003.61 €
254.83 €
16.57 €
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LTC3129EUD-1#TRPBF 3375
5003.35 €
2503.43 €
1003.61 €
254.83 €
16.57 €
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LTC3129EUD#TRPBF 2500
25003.25 €
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LTC3129EMSE#TRPBF 2500
25003.25 €
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LTC3129EMSE#TRPBF 2500
5003.35 €
2503.43 €
1003.61 €
254.83 €
16.57 €
Buy Now
LTC3129EMSE#TRPBF 2500
5003.35 €
2503.43 €
1003.61 €
254.83 €
16.57 €
Buy Now
LTC3129EUD-1#TRPBF 2500
25003.25 €
Buy Now
LTC3129IUD#PBF 1367
5003.51 €
2503.60 €
1003.79 €
254.58 €
16.90 €
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LTC3129IMSE#PBF 962
5003.51 €
2503.60 €
1003.79 €
254.58 €
16.90 €
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LTC3129EUD-1#PBF 531
5003.19 €
2503.26 €
1003.43 €
254.15 €
16.25 €
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LTC3129EMSE-1#PBF 481
5003.19 €
2503.26 €
1003.43 €
254.15 €
16.25 €
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LTC3129IUD-1#PBF 477
5003.51 €
2503.60 €
1003.79 €
254.58 €
16.90 €
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Verical

ProductStockPriceBuy
LTC3129EUD#TRPBF 2500
14.28 $
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LTC3129IUD-1#PBF 1147
14.64 $
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LTC3129EUD-1#PBF 190
14.22 $
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LTC3129EUD-1#PBF 160
14.22 $
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LTC3129IMSE#PBF 127
14.64 $
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LTC3129IMSE#PBF 67
14.64 $
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LTC3129EUD#PBF 56
14.22 $
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LTC3129IUD#PBF 39
14.64 $
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LTC3129EMSE-1#PBF 10
14.22 $
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Mouser Electronics

ProductStockPriceBuy
LTC3129IUD#PBF 1543
17.87 $
255.22 $
1004.32 $
2504.10 $
5004.01 $
10003.85 $
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LTC3129EUD#PBF 288
17.13 $
254.73 $
1003.91 $
2503.71 $
5003.63 $
10003.49 $
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LTC3129EUD-1#PBF 111
17.13 $
254.73 $
1003.91 $
2503.71 $
5003.63 $
10003.49 $
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LTC3129IMSE#PBF 98
17.87 $
255.22 $
1004.32 $
2504.10 $
5004.01 $
10003.85 $
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LTC3129EMSE#PBF 14
17.13 $
254.73 $
1003.91 $
2503.71 $
5003.63 $
10003.49 $
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LTC3129EMSE-1#PBF 33
17.13 $
254.73 $
1003.91 $
2503.71 $
5003.63 $
10003.49 $
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LTC3129IMSE-1#PBF 0
17.87 $
255.22 $
1004.32 $
2504.10 $
5004.01 $
10003.85 $
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LTC3129IUD-1#PBF 0
17.87 $
255.22 $
1004.32 $
2504.10 $
5004.01 $
10003.85 $
Buy Now
LTC3129IMSE-1#TRPBF 0
25003.92 $
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LTC3129EMSE#TRPBF 0
25003.57 $
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LTC3129EMSE-1#TRPBF 0
25003.57 $
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LTC3129EUD#TRPBF 0
25003.57 $
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LTC3129EUD-1#TRPBF 0
25003.57 $
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LTC3129IMSE#TRPBF 0
25003.92 $
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LTC3129IUD#TRPBF 0
25003.92 $
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show stock=0hide stock=0

element14 Asia-Pacific

ProductStockPriceBuy
LTC3129EMSE-1#PBF 0
5005.45 SGD
2505.58 SGD
1005.87 SGD
257.10 SGD
110.68 SGD
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LTC3129EUD#PBF 0
5005.45 SGD
2505.58 SGD
1005.87 SGD
257.10 SGD
110.68 SGD
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LTC3129EUD-1#PBF 8
5005.45 SGD
2505.58 SGD
1005.87 SGD
257.10 SGD
110.68 SGD
Buy Now
LTC3129IMSE-1#PBF 0
5006.01 SGD
2506.15 SGD
1006.48 SGD
257.83 SGD
111.79 SGD
Buy Now
LTC3129IUD#PBF 0
5006.01 SGD
2506.15 SGD
1006.48 SGD
257.83 SGD
111.79 SGD
Buy Now
show stock=0hide stock=0

Farnell element14

ProductStockPriceBuy
LTC3129EUD-1#PBF 9
1002.98 GBP
503.30 GBP
253.61 GBP
105.44 GBP
15.96 GBP
Buy Now

Chip1Stop

ProductStockPriceBuy
LTC3129EUD#PBF 8
14.10 $
Buy Now
LTC3129EMSE-1#PBF 257
2003.87 $
504.55 $
106.06 $
17.13 $
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LTC3129EMSE#PBF 52
503.96 $
104.01 $
14.07 $
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LTC3129EUD-1#PBF 243
503.38 $
103.58 $
14.21 $
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Available Distributors without stock: 1

Richardson RFPD

ProductStockPriceBuy
LTC3129EUD#TRPBF 0
25003.84 $
50003.69 $
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LTC3129EUD#PBF 0
1213.97 $
5003.86 $
10003.75 $
50003.61 $
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LTC3129EUD-1#TRPBF 0
25003.84 $
50003.69 $
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LTC3129IUD#PBF 0
1214.38 $
5004.26 $
10004.15 $
50003.99 $
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LTC3129EMSE-1#TRPBF 0
25003.84 $
50003.69 $
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LTC3129EMSE#TRPBF 0
25003.84 $
50003.69 $
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LTC3129EMSE-1#PBF 0
1853.97 $
5003.86 $
10003.75 $
50003.61 $
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LTC3129IUD-1#TRPBF 0
25004.21 $
50004.05 $
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LTC3129IMSE#TRPBF 0
25004.21 $
50004.05 $
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LTC3129IMSE-1#PBF 0
1484.38 $
5004.26 $
10004.15 $
50003.99 $
Buy Now
LTC3129IMSE#PBF 0
1484.38 $
5004.26 $
10004.15 $
50003.99 $
Buy Now
LTC3129IUD-1#PBF 0
1214.38 $
5004.26 $
10004.15 $
50003.99 $
Buy Now
LTC3129EMSE#PBF 0
1853.97 $
5003.86 $
10003.75 $
50003.61 $
Buy Now
LTC3129EUD-1#PBF 0
1213.97 $
5003.86 $
10003.75 $
50003.61 $
Buy Now
LTC3129IMSE-1#TRPBF 0
25004.21 $
50004.05 $
Buy Now

Equivalents and alternatives

The following Buck-Boost DC/DC Converter are similar to LTC3129-1-8.2. Optional, compare LTC3129-1-8.2 side-by-side with other selected Buck-Boost Converter via the Comparison function.

no alternatives found

Inductor suggestions

Below you can find matching inductors from Wuerth Elektronik calculated on the maximum parameters of LTC3129-1-8.2.

V-IN max. 15 V, I-OUT 0.2 A, V-OUT min. 8.2 V, Frequency typ. 1200 kHz
Order Code Spec L (µH) IR (A) ISAT (A) RDC (mΩ) L x W x H (mm)
744031330 33.0 0.4 0.3 635.00 3.8 x 3.8 x 1.8
744031470 47.0 0.4 0.3 940.00 3.8 x 3.8 x 1.8
74404024330 33.0 0.4 0.4 1,530.00 2.5 x 2 x 1.2
74404024470 47.0 0.3 0.4 1,600.00 2.5 x 2 x 1.2
74404032470 47.0 0.4 0.4 1,050.00 3 x 3 x 1.5
744042330 33.0 0.7 0.5 382.00 4.8 x 4.8 x 2
744042470 47.0 0.6 0.5 540.00 4.8 x 4.8 x 2
744043390 39.0 0.8 0.5 215.00 4.8 x 4.8 x 3
744043470 47.0 0.8 0.5 250.00 4.8 x 4.8 x 3
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